Probably the only time you should let a child play with Plutonium and Arsenic. Each colorful block features six element images accompanied by their atomic number, symbol, and name. Why we love Uncle Goose.
- 20 - 1.75 INCH BASSWOOD CUBES (44 MM)
- PRINTED USING CHILD-SAFE INKS
- HANDMADE IN THE USA
- AGES 2+